package uulm.teamname.marvelous.gamelibrary.gamelogic;

import uulm.teamname.marvelous.gamelibrary.entities.Entity;
import uulm.teamname.marvelous.gamelibrary.entities.StoneType;

import java.util.HashMap;

/** Represents a manager for infinity stone cooldowns. */
public class StoneCooldownManager {
    /** The cooldown round numbers for every stone */
    private final HashMap<StoneType, Integer> cooldowns = new HashMap<>();

    /**
     * Takes over all the cooldowns from a different {@link StoneCooldownManager}.
     * @param other The cooldown manager to take the data from
     */
    public void cloneFrom(StoneCooldownManager other) {
        cooldowns.clear();
        cooldowns.putAll(other.cooldowns);
    }

    /**
     * Decreases all cooldowns by one according to a round having passed.
     */
    public void update() {
        cooldowns.replaceAll((s, v) -> Math.max(0, cooldowns.get(s) - 1));
    }

    /**
     * Checks if a stone is on cooldown.
     * @param stone The {@link StoneType} to check for
     * @return Whether or not the stone is on cooldown
     */
    public boolean onCooldown(StoneType stone) {
        return cooldowns.containsKey(stone);
    }

    /**
     * Retrieves the current cooldown for a stone.
     * @param stone The {@link StoneType} to check for
     * @return The stone's cooldown in rounds
     */
    public int getCooldown(StoneType stone) {
        return cooldowns.get(stone);
    }

    /**
     * Marks a stone as on cooldown.
     * @param stone The {@link StoneType} to check for
     * @param duration The number of rounds the stone should be on cooldown
     */
    public void setCooldown(StoneType stone, int duration) {
        cooldowns.put(stone, Math.max(0, duration));
    }

    /**
     * Exports the cooldowns as an array ordered according to the enum.
     * @return An array containing every cooldown
     */
    public Integer[] export() {
        Integer[] data = new Integer[6];
        int i = 0;
        for (StoneType stone: StoneType.values()) {
            data[i++] = cooldowns.getOrDefault(stone, 0);
        }
        return data;
    }
}